The Telex WT-500 UHF belt-pack transmitter is designed for use with the Telex FMR-500 series wireless microphone system. The lightweight transmitter operates on a single 9 volt battery. The microphone input features a TA4-male connection that is capable of accepting microphone or line level signal. The WT-500 also features an LCD display for monitoring status on all system parameters. The FMR-500 series is ideal for fixed sound reinforcement in schools, clubs, theaters, rental houses and more.